Imperialism necessitates control of territories, while rivalry for resources just means control of those resources.
Assuming that this is referring to the same list of options that was posted before with this question, the answer is that they have gotten involved with casework for all of the following reasons except "domestic issues"
<span> it outlawed the “manufacture, sale, or transportation of intoxicating liquors.</span>
The Red Scare or communism was the <span> political system that emerged directly from world war 1.</span>
